baber/WOPTO huggingface dataset:
Patent GB-627858-A (GB)
Title: Improvements in and relating to remote control apparatus
IPC: B64C13/24
Filed: 1946-09-11
Abstract: 627,858. Fluid-pressure servomotor control systems. BOULTON PAUL AIRCRAFT, Ltd., and NORTH, J. D. Sept. 11, 1946, No. 27258. [Class 135] [Also in Group XXXIII] In a remotely-controlled power-operated system for actuating aircraft control surfaces in which motion is transmitted from the pilot's control column 1, Fig. 1, through a mechanical or electrical linkage to a servo-mechanism 7 for actuating the control surface 8, means is provided for displacing the input member of the servo-mechanism relative to the pilot's control column in order to adjust the control point. In the embodiment of Fig. 1, the control column 1, with centralising springs 19, 20 to give " feel," acts on a sun wheel 9 of a differential gear, and the other sun wheel 10 is connected through a chain 6 to the servo-mechanism 7. The planet carrier 11 can be adjusted from a hand-crank 15 through a chain 16 and a worm and worm-wheel 13, 12, respectively. When hand-crank 15 is actuated, the greater resistance of the input 9 of the differential ensures that the motion of the planet carrier is communicated to the input of the servomechanism. Where an electrical link comprising transmitting and receiving selsyns 21, 22, Fig. 2, respectively, are interposed between the control column 1, and the servo-mechanism, column 1 rotates about the shaft of selsyn 21 and carries round the worm 23 which engages a worm-wheel 24 fast on the selsyn shaft and which can be rotated from the hand-crank 15 through a flexible cable 25. In a modification, the worm-wheel 24 actuates a differential selsyn interposed between the transmitting and receiving selsyns. According to the Provisional Specification, the movement of the control surface is transmitted back to one wheel of the differential gear interposed between the transmitting station and the servo-mechanism, and the slave element of the latter controls a variable delivery hydraulic generator supplying a hydraulic motor or ram.
Patent GB-1170489-A (GB)
Title: Method of Moulding Foamed Polyurethane Articles, and Articles thus produced
IPC: B29C44/32
Filed: 1967-06-13
Abstract: 1,170,489. Polyurethane foam; pipe jackets. SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ N.V. 13 June, 1967 [15 June, 1966], No. 27271/67. Headings B5A and B5N. Foamed polyurethane articles, e.g. pipe jackets, are produced by covering a surface of a mould with a section of a continuous length of film which is non-adherent to the mould, introducing the foamable composition, closing the mould, foaming the composition and allowing it to harden, at least partially, opening the mould and removing the moulded article, the film adhering to the surface thereof, the removal or movement after removal in such a direction as to draw a further section of the film into the mould for a subsequent moulding operation. In one embodiment, pipe jackets are produced in a mould comprising two semi-cylindrical formers 11, 12, Fig. 2, using two lengths of film 22, 23, Fig. 1. The mould is closed by piston 16 and held by fluid-operated pressing arms 18, pressing against members 21 on the mould. The mould is closed at its ends by means of the previously formed article (30, Fig. 4, not shown) at one end and a polyurethane block (31) at the other which unites with the product. One or both films may be subsequently stripped from the product if desired. Plates of rectangular section or sandwich panels may be formed, the films then being fabric webs, glass wool or asbestos &c. which may remain united with the product.
Patent GB-322828-A (GB)
Title: Electrical condenser
IPC: H01G4/38
Filed: 1928-09-24
Abstract: 322,828. English Electric Co., Ltd., and Ayres, W. E. M. Sept. 24, 1928. Condensers. - In order to reduce the stresses due to the corners and edges of plates, the latter are made substantially circular and their edges are rounded off with a radius which is appreciably greater than the dielectric thickness, thus enabling the latter to be kept at a minimum. Each plate 1 comprises two discs 2, 3 of zinc with their edges turned over at a, b and soldered together. The discs are fitted one on each side of a thick wooden disc 4 with a semicircular edge d, and a mica disc 5 is placed between each pair of plates. Alternatively, an annular air-gap may be found in each plate of one pole between the flat portion and the rounded portion, the latter constituting a guard-ring. Where one pole is earthed, this arrangement may be applied to the earthed pole. The plates may, alternatively, be a thin conducting coating over an insulating body of the requisite shape.
Patent GB-1299385-A (GB)
Title: Improved furnace apparatus for bending glass plates for windshields or the like
Inventor: ARTAMA ARVI
IPC: C03B23/023
Filed: 1969-12-12
Abstract: 1299385 Bending and annealing glass sheets A ARTAMA 12 Dec 1969 27339/72 Divided out of 1299384 Heading C1M [Also in Division F4] The preferred embodiment is identical with that disclosed in Specification 1,299,384 but the claims relate to furnace apparatus comprising the combination of a heating chamber and a carrier to produce the treatment chamber.
Patent GB-1469189-A (GB)
Title: Flow-ghrough cell
IPC: G01N21/05
Filed: 1975-06-27
Abstract: 1469189 Flow cell HELLMA GmbH W HUFENREUTER L MAYER and P MAYER [trading as HELLMA GmbH & CO] 27 June 1975 [8 July 1974] 27348/75 Heading G1B [Also in Division G2] A flow-through cell comprises a measuring channel 3, an inlet channel 2 and outlet channel 1, the measuring channel in use being substantially horizontal, the measuring channel widening conically in the direction of flow, at least the upper surface of the measuring channel being upwardly inclined in the direction of flow while the lower surface 9 extends substantially horizontally, the inlet channel upstream of the measuring channel being of U-shape and entering the measuring channel from below when the cell is in its operating position. The angle of inclination to the horizontal of the upper surface 7 of the measuring channel may be from 3 degrees to 10 degrees. The cell allows the ready separation and removal of air bubbles 6.
Patent GB-279443-A (GB)
Title: Improved manufacture of solutions of gelatin in organic solvents
IPC: C09H5/00
Filed: 1927-10-15
Abstract: 279,443. I. G. Farbenindustrie Akt.- Ges. Oct. 20, 1926, [Convention date]. Gelatine.-Solutions of gelatine are made by peptizing gelatine in the presence of water by an alkaline or alkaline earth hydroxide, with exclusion of other electrolytes, and adding an organic solvent or diluent. By mixing such a solution with an organic acid e.g. acetic acid, or another gelatine solution in an organic solvent made with the aid of an acid, the pH of the product may be varied. An example of an alkaline solution comprises gelatine, methyl and ethyl alcohols, 30 per cent barium hydroxide solution, and water. An acid solution comprises gelatine, methyl and ethyl alcohols, benzene, glacial acetic acid and water.
Patent GB-209488-A (GB)
Title: Improvements in steaming appliances for use in permanent hair waving
IPC: A45D4/04
Filed: 1922-10-10
Abstract: 209,488. Sartory, P. Oct. 10, 1922. Addition to 182,848. Hair-curling appliances. - In a steaming tube for permanent hair-waving as claimed in the parent Specification, the means for sealing the tube to the hair comprises a closure adapted to be secured and released without relative rotation between the closure and the tube. The inner end 5, Fig. 1, of the steaming tube 1 may be reduced eccentrically, and is provided with an inwardly-projecting flange 6 which forms a seating for an annular packing washer 7 retained in position by laterally disposed pins 8 on the end of the ;tube. The closure consists of a metal disc 9, furnished with a fibre covering washer 10, and an elastic packing washer 11. The disc 9 is secured on an adjustable clamping hook 12 which is carried on the projecting axis of the curler 14, while the opposite end of the curler carries an adjustable perforated cap 15 which is mounted on an externally-threaded sleeve 16 secured to the projecting end of the curler by a set-screw 17 after the tube 1 has been applied to the curler. By screwing up the disc 15 against the end of the tube, the closure 9 is pressed against the ligament A of the hair, which is thus clamped between the washers 7 and 11 with a steam-tight joint. The steaming tube 1 is adapted to form a removable liner for a tubular heater 2 which is provided with a collar 3 and a set-screw 4 to secure the tube. In the modification shown in Fig. 3, the closure 9 is mounted on the projecting axis member 13<a> of a curler of ordinary type, the axis member being provided with an extension 18 on which the screwed sleeve 16 is mounted. The sleeve 16 may be dispensed with and the end of the curler threaded to receive an adjustable disc. The closure 9 may be mounted on a separate coupling-rod. In one case, the curler 14, Fig. 4, is provided with a tubular axis member 13, through which the rod 19, carrying the closure 9, is passed after the hair has been coiled. An adjustable disc 15 is screwed on to the outer end of the rod 19 against the end of the steaming tube. In the form shown in Fig. 8, the rod 19 passes through an external boss 20 near the end of the tube 1, and the closure 9 is tightened by a nut 21 on the end of the rod 19. In a further modification, the closure 9, Fig. 6, is rotatably mounted on the end of a screw 22 passing through a bail 23 pivoted at 24 to the tube 1.
Patent GB-451733-A (GB)
Title: Improvements in or relating to the manufacture of salts by means of base exchangers
IPC: C01D9/08
Filed: 1935-10-04
Abstract: In the production of salts by the use of base-exchanging substances by the processes described in Specifications 407,311, 407,313, and 421,154, base-exchanging substances are used containing silica and the non-exchangeable metallic oxide in a molecular proportion between 2,5 and 5,5 and preferably between 3 and 4.  Artificial zeolites are preferably used, the preparation of an artificial zeolite from solutions of sodium aluminate and sodium silicate, having a molecular proportion of SiO2 to Al2O3 of 3,5 to 4,5 being described.
Patent GB-420711-A (GB)
Title: Improvements in or relating to portable fire extinguishers
IPC: A62C13/00
Filed: 1933-10-06
Abstract: 420,711. Fire-extinguishers. NUSWIFT ENGINEERING CO., Ltd., LEECH, H. C., and HARRIS, G. W., Protector Works, Elland, Yorkshire. Oct. 6, 1933, No. 27486. [Class 47 (ii)) A portable fire-extinguisher, comprising a container for a fire extinguishing liquid and a gas cartridge for expelling the liquid, is characterized in that the inner end of the cartridge f abuts against a disc d sealing it from the liquid, and the outer end thereof is fitted with a dome-shaped diaphragm h which, when it is pressed inwards, causes the inner end of the gas cartridge to rupture the sealing disc and to be perforated by a piercing member 3. This member e is arranged on the opposite side of the sealing disc to the cartridge and is fitted in the end of a cylindrical cartridge container c. The gas from the perforated cartridge passes through holes c<4> in the cartridge container into the main container, and the liquid is forced by the pressure of the gas through a non-return valve n and ejected from a nozzle m. The pressure in the container forces the cartridge and diaphragm outwards and restores a flange h<1> on the diaphragm h to its seat on a leather or other washer i to prevent leakage. A nut j allows the spent cartridge to be removed and the container to be refilled with liquid. A new sealing disc, which may be of a material sold under the Registered Trade Mark " Cellophane," is inserted, and is held in place against a shoulder c<2> by a spring g which also bears on the shoulder of the gas cartridge. The cartridge container is dried before the insertion of the new cartridge.
Patent GB-172769-A (GB)
Title: Improvements in apparatus for gauging the pitch of the perforations in cinematograph films
IPC: G01B5/16
Filed: 1920-09-28
Abstract: 172,769. Moy, E. F., and Bastie, P. H. Sept. 28, 1920. Linear-dimension gauges.- A gauge for testing the pitch of the holes in cinematograph films comprises two sets of pins spaced apart to receive a length of film having a predetermined number of perforations, the sets of pins being relatively movable, to straighten the film, such relative movement being used to indicate the error. The table 1 provided with a scale 3 along one edge carries the fixed pins 4. The other set of pins 5 is carried on a slide 6 and protrude through slots in the table 1. A screw 8 passes through a nut attached to the table and bears against the hardened contact 10 on the end of the slide 6. A rack 10' on the slide gears by a pinion 11 with a graduated spring drum 14, which may be read through a lens 16. In use, a standard foot of film when placed on the pins 4, 5 and straightened out should have the graduations " 0 " and " 64 " coinciding with the pins, the indicating drum then reading zero. If the pins do not coincide with the division of the scale, the extent of departure to the right or left is read off on the drum.
Patent GB-299989-A (GB)
Title: A new or improved stencil printing apparatus
IPC: B41F15/08
Filed: 1927-10-18
Abstract: 299,989. Macintosh & Co., Ltd., C., and Warren, F. W. Oct. 18, 1927. Stencilling. - Stencil printing-apparatus for printing on inflatable articles such as balloons comprises a number of part spherical stencil plates pivotally mounted so that, in working- position, they completely enclose the article which is expanded against their inner faces. Two or more stencils a are provided with spigots c carried in apertures in a boss d pivotable in a bracket b to enable the stencils a to be opened or closed, a clip i being provided for holding them closed during printing. A tube j, on which the neck of the article to be printed is carried and which serves for the supply of compressed air, projects through the bracket b. The bracket b and tube j are preferably rotatable in the table g. In a modification, the members d are provided with rings in which the stencils a are carried.
Patent GB-1433357-A (GB)
Title: Heald frame staves
IPC: D03C9/06
Filed: 1973-06-11
Abstract: 1433357 Heald frames GROB & CO AG 11 June 1973 [30 June 1972] 27641/73 Heading DIE To prevent vibration and noise the hollow sections of heald frame staves are elastically deformed. In Figure 2 the sides 1, 2 are pulled together against an insert 4 by rivets and in Figure 4 the sides are forced apart by an insert 6. Either the walls or the insert 6 or both may have locating ribs and grooves. In a modification only one side wall and/or one side of the insert are formed with complementary ribs and grooves. For Figures see next column
Patent GB-1321516-A (GB)
Title: 19-nor-3-oxo-6,6-ethylene-20-spirox-4-enes
IPC: A61K31/58
Filed: 1971-06-14
Abstract: 1321516 19 - Nor - 3 - oxo - 6,6 - ethylene - 20- Spirox-4-enas MERCK & CO Inc 14 June 1971 [18 June 1970] 27755/71 Heading C2U Novel steroids of the formulae (wherein R 1  is H or CH 3 ; the #<SP>14</SP>-double bond is optional; and R is H, C 1-6  alkyl, C 1-6  alkanoyl, tetrahydropyranyl or tetrahydrofuranyl) are prepared as follows The starting material is converted to a 3-enol ether using a tri(C 1-6  alkyl)orthoformate and the corresponding alcohol in the presence of an acid catalyst, the enol ether is formylated using the Vilsmeier reagent, the 6-formyl compound is reduced and dehydrated to the 6-methylene compound and this is treated with a reagent such as dimethyl sulphoxonium methylide, or diazomethane with pyrolysis of the 6-spiropyrazolinyl compound first formed. Reduction of the resulting 3-one gives the corresponding 3#-ol which may then be etherified or esterified by standard procedures. #<SP>14</SP>-starting materials are prepared as follows The individual reaction steps are known processes.
Patent GB-1032196-A (GB)
Title: Method and apparatus for imparting an electrostatic charge to a layer of insulating material
IPC: G21C3/36
Filed: 1963-07-12
Abstract: 1,032,196. Electrostatically charging photoconductive layers. KALLE A.G. July 12, 1963 [July 20, 1962], No. 27765/63. Heading G2H. A layer 4 of photoconductive or insulating material is charged by a discharge electrode 1 extending substantially perpendicular to the layer 4 between auxiliary electrodes 2, 2a, a counter electrode 3 being positioned beneath the layer 4. The discharge electrodes 1 and counter electrode 3 are connected to opposite poles of a D.C. source. The electrode 1 may be replaced by a row of discharge electrodes 1, Fig. 2 (not shown) connected by a metal strip 5 or by a strip, not shown. The auxiliary electrode may be replaced by a strip 2 or rollers 8, 9, Fig. 4 (not shown). A roller 6 may form the counter electrode.
Patent GB-898507-A (GB)
Title: Improvements in or relating to electrical code-converters
Inventor: WAYMAN CECIL JOHN
IPC: H03M7/08
Filed: 1959-08-13
Abstract: 898,507. Electric selective signalling systems. GENERAL ELECTRIC CO. Ltd. Aug. 15, 1960 [Aug. 13, 1959], No. 27776/59. Class 40 (1). In a circuit for converting from a binarycoded representation of a number to a decimal representation, the input binary bits are divided into two groups each group of which is recoded to mark one of a plurality of leads and an auxiliary lead, the two pluralities of leads going to a further recoding array to produce an indication of the higher order decimal digits and the two auxiliary leads being recoded to give an indication of the lowest order decimal digit. As described, six binary bits P, Q, R, S, T, U are received, for example by radio, from an aeroplane representing its altitude and are registered on triggers 10. The group P, Q, R of bits is recoded to mark one of five leads 41, 42 ... 45 and an auxiliary lead 51, and the group S, T, U of bits is recoded to mark one of seven leads 21, 22 ... 27 and an auxiliary lead 30. The two pluralities of leads are recoded by a further array of diodes 53 to produce a visual indication of the tens 56 and units 57 digits of the decimal number. The two auxiliary leads are also recoded to produce an indication 63 of the first decimal place of the decimal number. In the particular code employed, the six bits P, Q, R, S, T, U represent the altitude monophylically, each increment representing 500 ft. of altitude and the resulting decimal representation gives the altitude in thousands of feet, hence the need for a first decimal place of .0.0 or 0.5.
Patent GB-417628-A (GB)
Title: Improvements in and relating to gas meters
IPC: G01F3/22
Filed: 1933-10-10
Abstract: 417,628. Gas meters. MARSH, R. G., 19, Noel Road, Edgbaston, and KNIGHT, A., 12, Farndon Road, Saltley, both in Birmingham. Oct. 10, 1933, No. 27838. [Class 54.] The slide valves m of a dry gas meter are operated by connecting rods q, r attached to arms s, t on the flag rods f oscillated by the diaphragms so that the line of thrust or pull on the valves is substantially in the direction of their movements. The valves are arranged at less than the usual angle of 90‹ and the arms s, t may either be adjustable angularly on the rods f or provided with eccentric bushes where pivoted to the connecting rods q, r. The valves may be enclosed in a chamber having walls u bridged by cover plates, the middle cover plate w supporting a vertical shaft k rotated by the flag rods through a linkage g and driving the counting mechanism p through worm gearing n. Specification 395,184 is referred to in the Provisional Specification.
Patent GB-870715-A (GB)
Title: Method of making a reinforced synthetic resin composition
IPC: C08J5/04
Filed: 1959-08-14
Abstract: Reinforced compositions are obtained by incorporating an unsaturated organic silane ester with a curable diolefine polymer to form a resinifiable polymer mix, applying the mix to a reinforcing material and curing.  The organic silane ester may be of the general formula RnSi(OR1)4-n where R is an unsaturated group, e.g. vinyl, allyl, methallyl or crotyl, n is 1, 2 or 3, and R1 is an alkyl or aryl group, e.g. methyl, ethyl or ethoxyethyl.  The curable diolefine polymer may be a polymer of a C4 to C6 diolefine, e.g. butadiene, isoprene, dimethybutadiene, or piperylene, or a copolymer with a minor amount of an ethylenically unsaturated monomer, e.g. styrene, acrylonitrile, methyl vinyl ketone, paramethylstyrene or dimethylstyrene.  The resinifiable polymer mix may also contain a vinyl cross-linking agent, e.g. styrene, vinyl-toluene, halo-styrenes, vinyl-naphthalenes, alkyl acrylates and methacrylates, or allyl esters such as diallyl phthalate, and a curing catalyst, e.g. dicumyl peroxide or ditertiary butyl peroxide.  The reinforcing material may be e.g. asbestos, mica, powdered rock, powdered iron, aluminium, copper or glass, particularly glass fibres, which should be heat-cleaned to remove moisture, and any size that may have been used.  The finished product may be in the form of layers of cloth impregnated with thermosetting synthetic resin, fibres embedded in such a resin, or fibres saturated with resin and formed into a hollow cylindrical pipe, e.g. by winding superimposed layers of windings at an angle around a mandrel.  Several plies of glass cloth or matting may be assembled on a glass plate covered with regenerated cellulose sheet, and the resin mixture poured on.  Specification 682,163 is referred to.
Patent GB-1090735-A (GB)
Title: Improvements relating to nickel plating
Inventor: BEST MAURICE PHILIP
IPC: C25D3/12
Filed: 1964-07-07
Abstract: Bright nickel plating baths include cyanamide, preferably in combination with a sulphonic acid, sulphonamide, sulphonimide or similar compound containing an SO3 group in amount from 0.1 gram/ litre up to saturation.  The cyanamide may be present in the range 0.01-0.5 gram/litre.  The bath may contain as the source of nickel the chloride, fluoborate or sulphamate.
Patent GB-724513-A (GB)
Title: Improvements in and relating to lifting appliances
IPC: B66F7/02
Filed: 1950-11-15
Abstract: 724,513. Garage lifts; fluid-pressure lifting apparatus. BRADBURY & SONS, Ltd., J., and POWELL, V. Nov. 2, 1951 [Nov. 15, 1950], No. 27983/50. Classes 78(2) and 78 (3). In a vehicle hoist as described in Specification 724,511 means are provided to immobilize the hoistdriving mechanism in the event of one or more of the cables 11 breaking or otherwise becoming slack. As shown, the limit switch 51, which is in the circuit of the electricmotor-driven pump (not shown) supplying fluid to the lifting ram (also not shown), and which is allowed to open and so deenergize the pump motor when a rod 52 is raised at the upper limit of travel of the platform, is also opened when any of the cables become slack. A shaft 82 mounted adjacent the cable anchor 12 is rigidly connected with a switch-actuating lever 87 and carries four rope-engaging arms 80, any one of which, when rotated clockwise by a spring 83, rotates shaft 82 and opens switch 51. These arms 80 are mounted on shaft 82 with a lostmotion coupling that allows the shaft to move clockwise freely relative to the levers so that on the breakage of one cable the mechanism is free to operate without movement of the other three levers. When used in conjunction with catch gear as described in Specification 724,512, the permissible movement of arms 80 is so limited that after their operation the cable is sufficiently slack to operate the catch gear. In various modifications (not shown) the arm 87 is used to open a valve, or to disengage a clutch, to immobilize the driving mechanism.